Top 20 NuGet speech Packages

Shiny addon for adding upload and download management to your app (with metrics!)
Shiny Reactive BluetoothLE Plugin for client and gatt server
Recommended Google client library to access the Google Cloud Text-to-Speech API, synthesizes natural-sounding speech by applying powerful neural network models.
IBM.WatsonDeveloperCloud.VisualRecognition.v3 wraps the Watson Developer Cloud Visual Recognition service (http://www.ibm.com/watson/developercloud/visual-recognition.html)
IBM.WatsonDeveloperCloud.NaturalLanguageClassifier.v1 wraps the Watson Developer Cloud Natural Language Classifier service (http://www.ibm.com/watson/developercloud/natural-language-classifier.html)
IBM.WatsonDeveloperCloud.Conversation.v1 wraps the Watson Developer Cloud Conversation service (http://www.ibm.com/watson/developercloud/conversation.html)
ACR Speech Recognition Plugin for Xamarin and Windows Supported Platforms * .NET Standard * Android 5+ * iOS 7+ * tvOS * macOS * UWP
A cross platform wrapper for SpeechToText on iOS and Android<
A Xamarin wrapper for TextToSpeech on iOS and Android
IBM.WatsonDeveloperCloud.CompareComply.v1 wraps the Watson Developer Cloud Compare Comply service (http://www.ibm.com/watson/developercloud/compare-comply.html)
A managed client library that makes it easy to work with the Microsoft Cognitive Services Bing Speech API on Xamarin.iOS, Xamarin.Android, and Xamarin.Forms, UWP, and/or .NET Standard projects.
SpeechSynthesis API access for your Blazor apps.
Unofficial CLI tool for Microsoft Azure Speech service management - datasets, models, tests, endpoints etc. Useful for automation.
IBM.Watson.Common is a library of functionality needed for SDKs generated using the IBM OpenApi SDK generator. The library has functionality specific for the generated SDK.
SpeechRecognition API access for your Blazor apps.
A lightweight library that uses Cognitive Translator Service for text translation and Cognitive Speech Service for text-to-speech and speech-to-text.
Google client library to access the Google Cloud Speech API version v1p1beta1 with upcoming features.
IBM.WatsonDeveloperCloud.LanguageTranslator.v2 wraps the Watson Developer Cloud Language Translator service (http://www.ibm.com/watson/developercloud/language-translator.html)
The following code snippet continuously recognizes speech input from an audio file in the default language (en-US). The supported format is single-channel (mono) WAV / PCM with a sampling rate of 16 kHz.
This package shows how to recognize speech input from a microphone in the default language (en-US).